Datasheet

LTC3610
22
3610ff
package Description
WP Package
64-Lead QFN Multipad (9mm × 9mm)
(Reference LTC DWG # 05-08-1812 Rev A)
9.00
BSC
9.00
BSC
17
16
32
33
BOTTOM VIEW
(BOTTOM METALLIZATION DETAILS)
TOP VIEW
0.90 ± 0.10
// ccc C
0.20 REF
0.00 – 0.05
0.30 – 0.50
WP64 QFN REV A 0707
0.20 – 0.30
NX b
SEATING PLANE
6
5
0.08 C
aaa C
aaa C
M
AC Bbbb
NX
A
B
2x
2x
3.30
1.19
49
48
50 51 52 53 54
64
1
1.39
1.17
0.53
(2x)
1.92
2.01
3.06
4.10
3.30
0.30
(2x)
0.95
3.50
0.87
3.60
0.50
1.81
2.04
2.98
3.99
4.53
NOTE: 1. DIMENSIONING AND TOLERANCING CONFORM TO ASME Y14.5M-1994 2. ALL DIMENSIONS ARE IN MILLIMETERS, ANGLES ARE IN DEGREES (°) 3. N IS THE TOTAL NUMBER OF TERMINALS 4. THE LOCATION OF THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION CONFORMS TO JEDEC PUBLICATION 95 SPP-002
6
COPLANARITY APPLIES TO THE TERMINALS AND ALL OTHER SURFACE METALLIZATION
5
DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.15mm AND 0.30mm FROM THE TERMINAL TIP.
SYMBOL
aaa
bbb
ccc
TOLERANCE
0.15 0.10 0.10
WP Package
64-Lead QFN Multipad (9mm × 9mm)
(Reference LTC DWG # 05-08-1812 Rev A)
3.85
1.42
PAD 1
CORNER
RECOMMENDED SOLDER PAD LAYOUT
TOP VIEW
0.30 – 0.50
3.30
1.19
1.17
1.92
2.01
3.06
4.10
0.53
(2x)
1.39
3.30
0.30
(2x)
2.30
3.50
0.87
3.60
PIN 1
0.50
1.81
2.04
2.98
3.99
4.53
0.20 – 0.30
3.85
1.42
0.95
1.30
1.30